TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download

Page 190 of 870

TM 9-2350-247-20-1 100 AMP CHARGING SYSTEM MALFUNCTIONS (M548A1)—Continued 0023 00 6Y 1. Measure resistance between harness plugs (1) and C2 (2), sockets A (3) to A (4) and C (5) to C (6). 2. Does multimeter read 0 ohms each time? YES NO 6YN 1. Repair/replace harness (WP 0294 00). 2. Verify no faults found. 7Y 1. Remove four screws (4) and regulator (3) from regulator plate (5). 2. Measure resistance between regulator jack (1), regulator jack (6), socket C (7) to pin A (8), and socket D (9) to pin C (10). 3. Does multimeter read 0 ohms between socket D (9) and pin C (10), and infinity between socket C (7) and pin A? YES NO 7YN 1. Replace regulator (WP 0249 00). 2. Verify no faults found. 0023 00-4